Air Quality / Northern Virginia and DC
Northern Virginia and DC
District of Columbia — EPA AirNow monitoring station
Current AQI (OZONE)
43
Good8/27/2026, 4:00:00 PM
Recent Readings
| Time | Pollutant | AQI | Category | Type |
|---|---|---|---|---|
| 8/27/2026, 4:00:00 PM | OZONE | 43 | Good | forecast |
| 8/27/2026, 4:00:00 PM | PM2.5 | 50 | Good | forecast |
| 8/26/2026, 4:00:00 PM | PM2.5 | 53 | Moderate | forecast |
| 8/26/2026, 4:00:00 PM | OZONE | 51 | Moderate | forecast |
| 8/25/2026, 4:00:00 PM | PM2.5 | 44 | Good | forecast |
| 8/25/2026, 4:00:00 PM | OZONE | 49 | Good | forecast |
| 8/24/2026, 7:00:00 PM | PM2.5 | 53 | Moderate | observation |
| 8/24/2026, 7:00:00 PM | OZONE | 43 | Good | observation |
| 8/24/2026, 6:00:00 PM | PM2.5 | 49 | Good | observation |
| 8/24/2026, 6:00:00 PM | OZONE | 40 | Good | observation |
| 8/24/2026, 5:00:00 PM | OZONE | 39 | Good | observation |
| 8/24/2026, 5:00:00 PM | PM2.5 | 53 | Moderate | observation |
| 8/24/2026, 4:00:00 PM | PM2.5 | 44 | Good | observation |
| 8/24/2026, 4:00:00 PM | OZONE | Good | forecast | |
| 8/24/2026, 4:00:00 PM | OZONE | 33 | Good | observation |
| 8/24/2026, 3:00:00 PM | PM2.5 | 52 | Moderate | observation |
| 8/24/2026, 3:00:00 PM | OZONE | 25 | Good | observation |
| 8/24/2026, 2:00:00 PM | OZONE | 22 | Good | observation |
| 8/24/2026, 2:00:00 PM | PM2.5 | 51 | Moderate | observation |
| 8/24/2026, 1:00:00 PM | OZONE | 20 | Good | observation |
| 8/24/2026, 1:00:00 PM | PM2.5 | 44 | Good | observation |
| 8/24/2026, 12:00:00 PM | PM2.5 | 43 | Good | observation |
| 8/24/2026, 12:00:00 PM | OZONE | 18 | Good | observation |
| 8/24/2026, 11:00:00 AM | OZONE | 17 | Good | observation |
| 8/24/2026, 11:00:00 AM | PM2.5 | 40 | Good | observation |
| 8/24/2026, 10:00:00 AM | PM2.5 | 51 | Moderate | observation |
| 8/24/2026, 10:00:00 AM | OZONE | 17 | Good | observation |
| 8/24/2026, 9:00:00 AM | OZONE | 19 | Good | observation |
| 8/24/2026, 9:00:00 AM | PM2.5 | 46 | Good | observation |
| 8/24/2026, 8:00:00 AM | PM2.5 | 42 | Good | observation |
| 8/24/2026, 8:00:00 AM | OZONE | 20 | Good | observation |
| 8/24/2026, 7:00:00 AM | OZONE | 21 | Good | observation |
| 8/24/2026, 7:00:00 AM | PM2.5 | 42 | Good | observation |
| 8/24/2026, 6:00:00 AM | OZONE | 25 | Good | observation |
| 8/24/2026, 6:00:00 AM | PM2.5 | 49 | Good | observation |
| 8/24/2026, 5:00:00 AM | PM2.5 | 37 | Good | observation |
| 8/24/2026, 5:00:00 AM | OZONE | 25 | Good | observation |
| 8/24/2026, 4:00:00 AM | PM2.5 | 42 | Good | observation |
| 8/24/2026, 4:00:00 AM | OZONE | 26 | Good | observation |
| 8/24/2026, 3:00:00 AM | OZONE | 26 | Good | observation |
| 8/24/2026, 3:00:00 AM | PM2.5 | 37 | Good | observation |
| 8/24/2026, 2:00:00 AM | PM2.5 | 29 | Good | observation |
| 8/24/2026, 2:00:00 AM | OZONE | 30 | Good | observation |
| 8/24/2026, 1:00:00 AM | PM2.5 | 40 | Good | observation |
| 8/24/2026, 1:00:00 AM | OZONE | 32 | Good | observation |
| 8/24/2026, 12:00:00 AM | OZONE | 36 | Good | observation |
| 8/24/2026, 12:00:00 AM | PM2.5 | 36 | Good | observation |
| 8/23/2026, 11:00:00 PM | OZONE | 38 | Good | observation |
| 8/23/2026, 11:00:00 PM | PM2.5 | 43 | Good | observation |
| 8/23/2026, 10:00:00 PM | OZONE | 37 | Good | observation |
Nearby Stations
District of Columbia overview →
Current AirNow data are preliminary and may be revised. Source: EPA AirNow and participating air quality agencies.